Enhancing low-contrast image by separately processing illuminance and reflectance.
Rui HuangNong SangDapeng LuoXiaojun TongPublished in: Visual Information Processing (2010)
Keyphrases
- low contrast
- background noise
- high contrast
- contrast enhancement
- single image
- gray value
- image data
- enhanced image
- speckle noise
- image gradient
- input image
- blood vessels
- image segmentation
- gray level
- multiscale
- image analysis
- dynamic range compression
- edge detection
- fully automatic
- high quality
- high noise
- color constancy
- pixel values
- image retrieval
- edge map
- shape from shading
- noisy environments
- region of interest
- image enhancement
- segmentation method
- image quality
- watershed transform
- denoising
- phase contrast
- high resolution
- prior shape knowledge